Compilare: main.cpp: In function 'void rmq()': main.cpp:34:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(int i=2;i<=euler.size();i++)lg[i]=lg[i/2]+1; | ~^~~~~~~~~~~~~~ main.cpp:36:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for(int i=0;i<euler.size();i++)dp[0][i]=euler[i]; | ~^~~~~~~~~~~~~ main.cpp:38:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for(int k=1;(1<<k)<=euler.size();k++) | ~~~~~~^~~~~~~~~~~~~~ main.cpp:40:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int i=0;i+(1<<k)<=euler.size();i++) | ~~~~~~~~^~~~~~~~~~~~~~